mirror of https://gitee.com/openkylin/linux.git
115 lines
3.1 KiB
C
115 lines
3.1 KiB
C
#ifndef _CRIS_ARCH_PTRACE_H
|
|
#define _CRIS_ARCH_PTRACE_H
|
|
|
|
/* Register numbers in the ptrace system call interface */
|
|
|
|
#define PT_ORIG_R10 0
|
|
#define PT_R0 1
|
|
#define PT_R1 2
|
|
#define PT_R2 3
|
|
#define PT_R3 4
|
|
#define PT_R4 5
|
|
#define PT_R5 6
|
|
#define PT_R6 7
|
|
#define PT_R7 8
|
|
#define PT_R8 9
|
|
#define PT_R9 10
|
|
#define PT_R10 11
|
|
#define PT_R11 12
|
|
#define PT_R12 13
|
|
#define PT_R13 14
|
|
#define PT_ACR 15
|
|
#define PT_SRS 16
|
|
#define PT_MOF 17
|
|
#define PT_SPC 18
|
|
#define PT_CCS 19
|
|
#define PT_SRP 20
|
|
#define PT_ERP 21 /* This is actually the debugged process' PC */
|
|
#define PT_EXS 22
|
|
#define PT_EDA 23
|
|
#define PT_USP 24 /* special case - USP is not in the pt_regs */
|
|
#define PT_PPC 25 /* special case - pseudo PC */
|
|
#define PT_BP 26 /* Base number for BP registers. */
|
|
#define PT_BP_CTRL 26 /* BP control register. */
|
|
#define PT_MAX 40
|
|
|
|
/* Condition code bit numbers. */
|
|
#define C_CCS_BITNR 0
|
|
#define V_CCS_BITNR 1
|
|
#define Z_CCS_BITNR 2
|
|
#define N_CCS_BITNR 3
|
|
#define X_CCS_BITNR 4
|
|
#define I_CCS_BITNR 5
|
|
#define U_CCS_BITNR 6
|
|
#define P_CCS_BITNR 7
|
|
#define R_CCS_BITNR 8
|
|
#define S_CCS_BITNR 9
|
|
#define M_CCS_BITNR 30
|
|
#define Q_CCS_BITNR 31
|
|
#define CCS_SHIFT 10 /* Shift count for each level in CCS */
|
|
|
|
/* pt_regs not only specifices the format in the user-struct during
|
|
* ptrace but is also the frame format used in the kernel prologue/epilogues
|
|
* themselves
|
|
*/
|
|
|
|
struct pt_regs {
|
|
unsigned long orig_r10;
|
|
/* pushed by movem r13, [sp] in SAVE_ALL. */
|
|
unsigned long r0;
|
|
unsigned long r1;
|
|
unsigned long r2;
|
|
unsigned long r3;
|
|
unsigned long r4;
|
|
unsigned long r5;
|
|
unsigned long r6;
|
|
unsigned long r7;
|
|
unsigned long r8;
|
|
unsigned long r9;
|
|
unsigned long r10;
|
|
unsigned long r11;
|
|
unsigned long r12;
|
|
unsigned long r13;
|
|
unsigned long acr;
|
|
unsigned long srs;
|
|
unsigned long mof;
|
|
unsigned long spc;
|
|
unsigned long ccs;
|
|
unsigned long srp;
|
|
unsigned long erp; /* This is actually the debugged process' PC */
|
|
/* For debugging purposes; saved only when needed. */
|
|
unsigned long exs;
|
|
unsigned long eda;
|
|
};
|
|
|
|
/* switch_stack is the extra stuff pushed onto the stack in _resume (entry.S)
|
|
* when doing a context-switch. it is used (apart from in resume) when a new
|
|
* thread is made and we need to make _resume (which is starting it for the
|
|
* first time) realise what is going on.
|
|
*
|
|
* Actually, the use is very close to the thread struct (TSS) in that both the
|
|
* switch_stack and the TSS are used to keep thread stuff when switching in
|
|
* _resume.
|
|
*/
|
|
|
|
struct switch_stack {
|
|
unsigned long r0;
|
|
unsigned long r1;
|
|
unsigned long r2;
|
|
unsigned long r3;
|
|
unsigned long r4;
|
|
unsigned long r5;
|
|
unsigned long r6;
|
|
unsigned long r7;
|
|
unsigned long r8;
|
|
unsigned long r9;
|
|
unsigned long return_ip; /* ip that _resume will return to */
|
|
};
|
|
|
|
#define user_mode(regs) (((regs)->ccs & (1 << (U_CCS_BITNR + CCS_SHIFT))) != 0)
|
|
#define instruction_pointer(regs) ((regs)->erp)
|
|
extern void show_regs(struct pt_regs *);
|
|
#define profile_pc(regs) instruction_pointer(regs)
|
|
|
|
#endif
|